Research Article
Playing a Musical Instrument as a Protective Factor against Dementia and Cognitive Impairment: A Population-Based Twin Study
Table 1
Sample characteristics ( pairs).
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Data are n (%) or means ± SD (range). 1Mean age excludes pairs where control was not assessed in person due to death ( pairs). 2Physical activity was assessed using a 0–3 scale, where 0 is no activity and 3 is frequent activity. |